Coast Resorts Open Roads Forum: Tow Vehicles: Diesel vs gas......................
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 > Diesel vs gas......................

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Taco

VA

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Posted: 03/26/14 02:18am Link  |  Quote  |  Print  |  Notify Moderator

bkirkpatrick wrote:

Yes, but a gasser can't do this CLICK ME! or this CLICK ME 2


Very true a gasser can't do that.

transamz9

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Posted: 03/26/14 04:00am Link  |  Quote  |  Print  |  Notify Moderator

Taco wrote:

bkirkpatrick wrote:

Yes, but a gasser can't do this CLICK ME! or this CLICK ME 2


Very true a gasser can't do that.


Stupid people like that is why more people hate diesel. I would like to smack them myself and I love my diesels.


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Posted: 03/26/14 04:55am Link  |  Quote  |  Print  |  Notify Moderator

bkirkpatrick wrote:

Yes, but a gasser can't do this CLICK ME! or this CLICK ME 2


Why would it want to? I've had a couple of boys do that to me. It didn't bother me but it sure made them look like adolescent dorks. Apparently, we need more government regulations and laws because of kids like those in the videos. Maybe outlaw diesel pickups altogether![emoticon]


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OhhWell

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Posted: 03/26/14 05:57am Link  |  Quote  |  Print  |  Notify Moderator

bkirkpatrick wrote:

Yes, but a gasser can't do this CLICK ME! or this CLICK ME 2


Wow. I don't know if everyone will get that you posted that in humor. You did post it as a joke right?


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noteven

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Posted: 03/26/14 06:58am Link  |  Quote  |  Print  |  Notify Moderator

on edit: My Therapist said first post was way too much information.

The "diesels cost X $thousand more than gas trucks to buy..." math is only true if you never sell the truck. If you do sell the cost of the truck is purchase price minus selling price. Markets vary but around here diesels likely cost less to own for 3 - 5 years. I have now recouped any purchase price premium based on current value of my truck being higher vs similar gas trucks in our area.

Compared fuel costs/mpg with a neighbor who has a same year/very close specs to ours Hemi 3500. Rough math, based on 2mpg better towing and 4mpg not towing- I have spent maybe $9000 less in fuel & lube costs operating the diesel over the first 150,000 miles.

My "target" life for this truck is at least 300,000 miles.

Personally I prefer cruising and pulling grades at 1600-2200rpm vs the rpms gas engines work at.

Have I ever been passed by a gas engine truck hauling the same 22,999lbs GCW 13ft tall load as me, on a "6 hours of crosswind" day? Not that I can remember. But it could happen because lots of them have more HP than my diesel.

Would a 400HP diesel class 8 truck hardly know my "big fiver" is hooked behind it, while a 400HP gas engine dually pick'em up will have a case of the frantics? Probley. Why is that? Doesn't seem to make sense. 400hp is 400hp...

* This post was edited 03/26/14 08:40am by an administrator/moderator *

bkirkpatrick

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Posted: 03/26/14 08:47am Link  |  Quote  |  Print  |  Notify Moderator

OhhWell wrote:

bkirkpatrick wrote:

Yes, but a gasser can't do this CLICK ME! or this CLICK ME 2


Wow. I don't know if everyone will get that you posted that in humor. You did post it as a joke right?
Take it any way you want to... I was the driver.


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waynec1957

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Posted: 03/26/14 09:05am Link  |  Quote  |  Print  |  Notify Moderator

Taco wrote:

You think you bought so much extra power for 8k but what it really shakes out to is only a couple extra mph up a hill.


I think it’s a little more complex than that. I’m probably the dumbest guy participating in this discussion from a “technical” aspect. I don’t know all the internal workings of gas OR diesel engines, but here is what I came up with when comparing the EXACT same trucks 2013 Silverado, 2500HD, 2WD, CC, standard bed (6’6”), LS work truck—one 6.0l Vortec, the other 6.6l Duramax/Allison. Keep in mind that when I was making this comparison I was looking for a truck to pull (eventually) a 9,500 lb. fully loaded (give or take) 35’ TT, knowing that at times this truck would also be a “daily driver”.

The gas version of the truck has roughly 350 more pounds of payload (because of the extra weight of the 6.6l engine).

Max conventional trailering for the 6.6l version with 3.73 gears is 13,000 lbs.
Max conventional trailering for the 6.0l version with 3.73 gears is 9,700 lbs. (It’s 13,000 lbs. with 4.10, but then it’s not the EXACT same truck is it?)

Max 5th wheel trailering for the 6.6l version with 3.73 gears is 17,400 lbs.
Max 5th wheel trailering for the 6.0l version upgraded to the 4.10 gears is 14,300 lbs. (3k lbs. less than the 6.6l with 3.73)

Cross Combined Vehicle Weight Rating for the 6.6l version with 3.73 gears is 24,500 lbs.
Cross Combined Vehicle Weight Rating for the 6.0l version with 3.73 gears is 20,500 lbs. (4k lbs. less than the 6.6l)

Horsepower for the 6.6l—397 hp @ 3000 rpm
Horsepower for the 6.0l—360 hp @ 5400 rpm

Torque for the 6.6l—765 lbs. @ 1600 rpm
Torque for the 6.0l—380 lbs. @ 4200 rpm

Another key factor for me was the Duramax/Allison has an exhaust brake and the Vortec does not.

These numbers are factory published numbers. They’re out there for anybody to take a look at. This is a straight up apples to apples comparison. The ONLY difference between these two trucks is one has the 6.0l Vortec and the other is a 6.6l Duramax/Allison. According to the factory, on THIS particular truck, you get more horsepower, more torque, more GCVWR (by 4k lbs.), more conventional trailering capacity (by 3,300 lbs.) and more 5th wheel trailering capacity (3,100 lbs.) with the 6.6l Duramax/Allison versus the 6.0l Vortec.

Regarding gas mileage, I’m only seeing a 2.5-3.5 mpg difference between my old 5.3l and this 6.6l. Given there’s just under 3k on the 6.6l and that’s been on winter fuel, I don’t think that’s too bad. Having never owned a 6.0l I can’t make a comparison here but I seriously doubt it does any better than my old 5.3l.

As far as gas mileage towing, as far as I can tell that seems to be the one area where everyone agrees…diesel does better.

To me, all that adds up to more than just a couple more mph going uphill.

* This post was edited 03/26/14 02:29pm by waynec1957 *


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OhhWell

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Posted: 03/26/14 10:11am Link  |  Quote  |  Print  |  Notify Moderator

bkirkpatrick wrote:

OhhWell wrote:

bkirkpatrick wrote:

Yes, but a gasser can't do this CLICK ME! or this CLICK ME 2


Wow. I don't know if everyone will get that you posted that in humor. You did post it as a joke right?
Take it any way you want to... I was the driver.


Right... sure it was. Which was you, the redneck logger with the cummins or the foolish redneck 20 something with the ford 6.0? When did you decide to go full on troll?

jevanb

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Posted: 03/26/14 11:54am Link  |  Quote  |  Print  |  Notify Moderator

06Fargo wrote:



Would a 400HP diesel class 8 truck hardly know my "big fiver" is hooked behind it, while a 400HP gas engine dually pick'em up will have a case of the frantics? Probley. Why is that? Doesn't seem to make sense. 400hp is 400hp...
I would think 2500ftlbs has something to do with it, I would bet a 360hp gas echo-boost eng could not even turn a 13 speed but I bet a 360hp diesel can because it happens every day,


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jevanb

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Posted: 03/26/14 11:55am Link  |  Quote  |  Print  |  Notify Moderator

double post...

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